Home / 65,233.10-97,856.85-20,852.30

Finding the Fourth Proportional to 65,233.10, 97,856.85 and 20,852.30

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Solution

The fourth proportional to 65,233.10, 97,856.85 and 20,852.30 is: 31,280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,233.10 : 97,856.85 = 20,852.30 : x
  2. Step 2: Convert to fraction form
    65,233.10/97,856.85 = 20,852.30/x
  3. Step 3: Cross multiply
    65,233.10x = 97,856.85 × 20,852.30
  4. Step 4: Simplify right side
    65,233.10x = 2,040,540,393.26
  5. Step 5: Solve for x
    x = 2,040,540,393.26/65,233.10
  6. Step 6: Final answer
    x = 31,280.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.